X0303 4 2008-06-23 0001289419 Morningstar, Inc. MORN 0001324003 Huang Tao C/O MORNINGSTAR, INC. 225 WEST WACKER DRIVE CHICAGO IL 60606 0 1 0 0 Chief Operating Officer Common Stock 2008-06-23 4 S 0 94 72.80 D 184014 D Common Stock 2008-06-23 4 S 0 100 72.82 D 183914 D Common Stock 2008-06-23 4 S 0 100 72.83 D 183814 D Common Stock 2008-06-23 4 S 0 100 72.85 D 183714 D Common Stock 2008-06-23 4 S 0 300 72.88 D 183414 D Common Stock 2008-06-23 4 S 0 100 72.91 D 183314 D Common Stock 2008-06-23 4 S 0 100 72.92 D 182414 D Common Stock 2008-06-23 4 S 0 300 72.93 D 182914 D Common Stock 2008-06-23 4 S 0 200 72.94 D 182714 D Common Stock 2008-06-23 4 S 0 50 72.97 D 182664 D Common Stock 2008-06-23 4 S 0 300 73.00 D 182364 D Common Stock 2008-06-23 4 S 0 300 73.01 D 182064 D Common Stock 2008-06-23 4 S 0 700 73.05 D 181364 D Common Stock 2008-06-23 4 S 0 100 73.20 D 181264 D Common Stock 2008-06-23 4 S 0 100 73.25 D 181164 D Common Stock 2008-06-23 4 S 0 100 73.29 D 181064 D Common Stock 2008-06-23 4 S 0 200 73.35 D 180864 D Common Stock 2008-06-23 4 S 0 100 73.42 D 180764 D Common Stock 2008-06-23 4 S 0 100 73.50 D 180664 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2008. Form 3 of 3 /s/ Heidi Miller, by power of attorney 2008-06-25